Flamco - PressDS 250D Pressurisation Unit - Dual Pump - 6 Bar - 230V

Blending top-up pressurisation with on-demand chemical dosing, the Flamco PressDS 250D Twin Pump maintains stable pressure on sealed systems while automatically mixing inhibitor from a dedicated tank at a preset ratio.

This floor-standing unit features a 4 Ltrs mains-fed break tank and an 18 Ltrs additive reservoir. Each top-up delivers water and the correct fluid blend together, cutting site visits and maximising system protection. Ideal for commercial and industrial plant (guide volume up to 300,000 Ltrs).

• Dual pump duty/standby configuration
• Mix control user-set from 150%
• Top-up to < 18 L/min; max delivery 6 Bar
• Category 5 (Type AB weir overflow) protection

Integration is simple via MODBUS RTU, password-protected menus and volt-free contacts, with flood protection, service reminders and additive-empty alerts built in. Finished in black (RAL 9005).

Real-world product applications

• Boosting water pressure to multiple outlets in a building
• Maintaining stable pressure where demand varies
• Supplying water from storage tanks to distribution pipework
• Supporting general water supply and transfer systems
• Assisting with pressure control in utility installations

Key Product Features

• Applications: commercial and industrial sealed systems (guide ≤ 300,000 Ltrs)
• Dosing: user-configurable mix ratio 150% via balancing valves
• Hydraulics: top-up pressurisation unit (< 18 L/min); 4 Ltrs break tank; 18 Ltrs additive tank
• Pressure control: set in 0.1 Bar increments; max delivery 6 Bar; system fill mode; pump pulse option
• Comms & control:MODBUS RTU; password protected; sequential programming menu
• Protection: Fluid Protection Category 5 (Type AB weir overflow); flood protection (pump runtime limiter, excessive start alarm)
• Diagnostics: on-screen 12-month service reminder; additive tank empty message
• Ev
  
  

  Flamco (est. 1956) is a Dutch manufacturer of HVAC and plumbing system components, including expansion vessels, air separators and pressurisation accessories. Their ranges are used in heating and chilled-water circuits and potable water systems across domestic and commercial installations.